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<head>
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <frameset cols="25%,50%,25%">
            <frame src="images/timg (1).jpg" noresize="noresize">
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    /* noresize是控制框架能否控制，frameset不能在body中使用 */
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<body>   
</body>
</html>